Re: [PATCH v5 4/5] net: wan: fsl_qmc_hdlc: Add runtime timeslots changes support
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2024-02-29 15:21:07
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On Thu, Feb 29, 2024 at 03:15:52PM +0100, Herve Codina wrote:
QMC channels support runtime timeslots changes but nothing is done at the QMC HDLC driver to handle these changes. Use existing IFACE ioctl in order to configure the timeslots to use.
...
+ bitmap_scatter(ts_mask, map, ts_mask_avail, 64);
Wondering if we may have returned value more useful and hence having something like n = bitmap_scatter(...);
+ if (bitmap_weight(ts_mask, 64) != bitmap_weight(map, 64)) {
if (n != ...) {
?
+ dev_err(qmc_hdlc->dev, "Cannot translate timeslots %64pb -> (%64pb, %64pb)\n", + map, ts_mask_avail, ts_mask); + return -EINVAL; + }
...
+ bitmap_gather(map, ts_mask, ts_mask_avail, 64);
+
+ if (bitmap_weight(ts_mask, 64) != bitmap_weight(map, 64)) {
+ dev_err(qmc_hdlc->dev, "Cannot translate timeslots (%64pb, %64pb) -> %64pb\n",
+ ts_mask_avail, ts_mask, map);
+ return -EINVAL;
+ }Ditto. -- With Best Regards, Andy Shevchenko